<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>system-font-stack</title>
    <style>
        .system-font-stack {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', Helvetica, Arial,
                sans-serif;
        }
    </style>
</head>

<body>
    <p class="system-font-stack">This text uses the system font.</p>
</body>

</html>